[2] During her mid-twenties, Tay studied at Brigham Young University in the United States.

[2] At 12 years old, Tay went to 1964 Summer Olympics at Tokyo, Japan where she failed to qualify from her heats in the 100m butterfly event.

She won the silver medals for the 100m and 200m backstroke, losing both events to Cambodia's Chuon Kun.

At the 1967 SEAP Games, Tay won silver medal for the 200m freestyle losing to Chan again.

[2] After graduating from Brigham Young University, Tay worked as a Financial Analyst for Revlon in New York.